Contact Juraj Vysvader
You should join in, because only members can see the info. The forum system does not disclose it to unregistered, while there is a chance that you are a spambot harvesting email addresses.

Hopefully, you know about "cryptocurrency mining" (renting a processing power), a way to earn some small money.

As a result of the newly created profit-driven demand in the last few years rapidly increased Bitcoin mining hardware supply enabling you to build a "super computer" from connected multi GPU motherboards (a lot of motherboards and GPUs per each one).

To compare, for example, Raspberry Pi 3 B+ can reach around 24 GFlops and 3-5 years old laptop roundly the same, whereas the mentioned Bitcoin mining machines are measured in TFlops (Tera Flops, not Giga Flops), e.g. those 42 TFlops.

Nowaday, new super computers process Peta Flops (PFlops), not merely TFlops. However, small single GPU mining machines made up for few bugs (it can cost from $200 if you check Ebay and use old processors such as the processors used in many bigger projects) are capable to reach similar performance like supercomputers from year 2002.